2012-07-24 56 views
0

所以我想用typedef在頭文件中定義數據。具體來說,我需要將下面的頭文件代碼指向我的主文件。我不知道如何去做這件事。我收到一個錯誤,指出「(在頭文件中定義的所有數據類型)未聲明(首先使用此函數)。」任何人都可以指向正確的方向嗎?謝謝!在頭文件中使用typedef

編輯:CalcTaxes.o文件只是傳遞信息的外部文件。它應該對下面的代碼沒有影響。

下面是頭文件:

typedef char STR15[15+1]; 
typedef char STR10[10+1]; 
typedef struct EmployeeRecord 
{ 
    STR15 lastname; 
    STR10 firstname; 
    float hours, 
    payrate, 
    defr, 
    gross, 
    fedtax, 
    statetax, 
    ssitax, 
    net; 
} EmployeeRecord; 

及以下的主要文件:

#include <stdio.h> 
#include <stdlib.h> 
#include "EmployeeRecord.h" 
#include "CalcTaxes.o" 
#define ADDR(var) &var 
#define REPORTCOLUMNHEADINGS1 "Employee   Pay Reg Hrs Gross Fed  SSI  Net\n" 
#define REPORTCOLUMNHEADINGS2 "Name    Rate OVT Hrs Pay  State Defr Pay\n" 
#define BARS     "========   ===== ======= ======= ====== ====== =======\n\n" 
#define REPORTCOLUMN1   "%s, %s\t%8.2f%8.2f%10.2f%8.2f%8.2f%9.2f\n" 
#define REPORTCOLUMN2   "%32.2f%18.2f%8.2f\n\n" 

extern void CalculateTaxes(float gross, float defr, float *ft, float *st, float *ssit); 

int main() 
{ 
    EmployeeRecord r; 

    float reghours,ovthours; 
    float ft,st,ssit; 
    float pr,reg,ovt,gp,fedt,stt,sst,def,np; 
    float avgpr,avgreg,avgovt,avggp,avgfedt,avgstt,avgsst,avgdef,avgnp; 
    char answer; 
    int empCount; 

    FILE *ReportFile;  
    ReportFile = fopen("report.txt", "w"); 
    fprintf(ReportFile,REPORTCOLUMNHEADINGS1); 
    fprintf(ReportFile,REPORTCOLUMNHEADINGS2); 
    fprintf(ReportFile,BARS); 
    fclose(ReportFile);  

    empCount = 0;// count initializations 
    pr = reg = ovt = gp = fedt = stt = def = sst = np = 0; 
    do 
    { 

     printf("Enter employee's name: "); // input section 
     scanf("%s%s",firstname,lastname); 
     printf("Enter hourly pay rate: "); 
     scanf("%f",ADDR(payrate)); 
     printf("Enter deferred amount: "); 
     scanf("%f",ADDR(defr)); 
     printf("Enter hours worked this pay period: "); 
     scanf("%f",ADDR(hours)); 
      if (hours > 40) 
      { 
       reghours = 40; 
       ovthours = hours - 40; 
      } 
      else { 
       reghours = hours; 
       ovthours = 0; 
      }  
     gross = (reghours * payrate)+(ovthours * payrate * 1.5); 
     CalculateTaxes(gross,defr,&ft,&st,&ssit);//Call 3.5 CalculateTaxes 
     net = gross - ft - st - ssit; 
     printf(REPORTCOLUMNHEADINGS1); 
     printf(REPORTCOLUMNHEADINGS2); 
     printf(BARS); 
     printf(REPORTCOLUMN1,lastname,firstname,payrate,reghours,gross,ft,ssit,net); 
     printf(REPORTCOLUMN2,ovthours,st,defr); 
      ReportFile = fopen("report.txt", "a"); 
      fprintf(ReportFile,REPORTCOLUMN1,lastname,firstname,payrate,reghours,gross,ft,ssit,net); 
      fprintf(ReportFile,REPORTCOLUMN2,ovthours,st,defr); 
      fclose(ReportFile); 
     empCount = empCount + 1; 
     pr = pr + payrate; 
     fedt = fedt + ft; 
     if (hours > 40) 
      { 
       reghours = 40; 
       ovthours = hours - 40; 
      } 
      else { 
       reghours = hours; 
       ovthours = 0; 
      } 
     reg = reg + reghours;  
     ovt = ovt + ovthours; 
     gp = gp + gross; 
     stt = stt + st; 
     sst = sst + ssit; 
     np = np + net; 
     def = def + defr; 
     avgpr = pr/empCount; 
     avgfedt = fedt/empCount; 
     avgreg = reg/empCount; 
     avgovt = ovt/empCount; 
     avggp = gp/empCount; 
     avgstt = stt/empCount; 
     avgsst = sst/empCount; 
     avgnp = np/empCount; 
     avgdef = def/empCount; 

      fflush(stdin); 
      printf(" Repeat (Y/N)? : "); 
      scanf("%c",ADDR(answer)); 
    } while (answer == 'Y' || answer == 'y'); 
     printf("\n"); // print one line for spacing 
    printf("\nTotals %17.2f%8.2f%10.2f%8.2f%8.2f%9.2f\n",pr,reg,gp,fedt,sst,np); 
    printf("%24.2f%10.2f%10.2f\n",ovt,stt,def); 
    printf("\nAverages %17.2f%8.2f%10.2f%8.2f%8.2f%9.2f\n",avgpr,avgreg,avggp,avgfedt,avgstt,avgnp); 
    printf("%24.2f%10.2f%10.2f\n",avgovt,avgsst,avgdef); 
      ReportFile = fopen("report.txt", "a"); 
      fprintf(ReportFile,"\nTotals %17.2f%8.2f%10.2f%8.2f%8.2f%9.2f\n",pr,reg,gp,fedt,sst,np); 
      fprintf(ReportFile,"%32.2f%18.2f%8.2f\n",ovt,stt,def); 
      fprintf(ReportFile,"\nAverages %15.2f%8.2f%10.2f%8.2f%8.2f%9.2f\n",avgpr,avgreg,avggp,avgfedt,avgsst,avgnp); 
      fprintf(ReportFile,"%32.2f%18.2f%8.2f\n",avgovt,avgstt,avgdef); 
      fclose(ReportFile); 
    fflush(stdin); 
    getchar(); 
    return 0; 

} 
+3

如果您添加了完整的錯誤信息,這與您擁有完整標題和.c文件類似,將會有所幫助。 – Tim 2012-07-24 18:48:03

+5

另外,「#include」CalcTaxes.o「」你在那裏做什麼?除非.o文件不是.o文件,否則不能這樣做,並且應該從試圖解析二進制文件的編譯器中拋出可怕的錯誤。 – Tim 2012-07-24 18:49:56

+0

你有循環依賴嗎?你有兩個頭文件每個都試圖相互「包含」嗎?如果是這樣,那可能是你錯誤的原因。 – 2012-07-24 19:05:20

回答

1

您還沒有宣佈一個名爲姓的變量。

你已經聲明瞭一個結構類型的名字作爲成員,但我從來沒有見過這種語法,所以我不知道它會工作。我見過的所有例子都有類型,每行用分號分隔每個變量。

也許你想引用r.firstname呢?